Classification of Elements and Periodicity in Properties — practice questions
64 curated practice questions from Classification of Elements and Periodicity in Properties (Chemistry JEE Advanced, NTA Exams) — 44 hard, 20 medium. Every question includes the final answer free; step-by-step worked solutions with a free account.
- For a given value of n (principal quantum number), ionization energy is highest for
- Assertion : The first ionization energy of Be is greater than that of B. Reason : 2p orbital is lower in energy than…
- Nuclear charge actually experienced by an electron is termed as effective nuclear charge. The effective nuclear charge…
- Which of the following elements will gain one electron more readily in comparison to other elements of their group?
- The pair(s) of reagents that yield paramagnetic species is/are
- Identify the correct order of acidic strengths of CO 2 , CuO, CaO, H 2 O.
- Atomic radii of fluorine and neon in angstrom units are respectively given by (1987)
- The correct order of second ionisation potential of carbon, nitrogen, oxygen and fluorine is
- Sodium sulphate is soluble in water whereas barium sulphate is sparingly soluble because (1989)
- The option(s) with only amphoteric oxides is (are) (2017)
- Statement-1 : Al(OH) 3 is amphoteric in nature. Statement-2 : Al—O and O—H bonds can be broken with equal ease in…
- The electron affinities of B, C, N and O are in the order of
- The electronegativity of the following elements increase in the order (1987)
- Assertion : The 5 th period of periodic table contains 18 elements not 32 . Reason : n = 5, l = 0, 1, 2, 3, 4 . The…
- The statements that is/are true for the long form of the Periodic Table is/are (1988)
- The ionization energy of boron is less than that of beryllium because :
- A, B and C are hydroxy-compounds of the elements X, Y and Z respectively. X, Y and Z are in the same period of the…
- Among halogens, the correct order of amount of energy released in electron gain (electron gain enthalpy) is:
- The first ionisation potential of Na, Mg, Al and Si are in the order
- The first ionization potential of nitrogen and oxygen atoms are related as follows (1989)
- The set representing the correct order of first ionization potential is (2001)
- The statement that is not correct for periodic classification of elements is :
- Amongst the following elements (whose electronic configurations are given below), the one having the highest ionisation…
- Nuclear charge actually experienced by an electron is termed as effective nuclear charge. The effective nuclear charge…
- Amongst the following elements (whose electronic configurations are given below), the one having the highest ionisation…
- The element with the highest first ionisation pontential is
- The hydration energy of Mg 2+ is larger than that of
- IE 1 and IE 2 of Mg are 178 and 348 kcal mol –1 respectively. The energy required for the reaction Mg (g) → Mg 2+ (g) +…
- The first ionisation potential (electron volts) of nitrogen and oxygen atoms are respectively given by (1987)
- Assertion : Third ionisation energy of phosphorous is larger than sulphur. Reason : There is a larger amount of…
- The outermost electronic configuration of the most electronegative element is
- The first ionisation energy of first atom is greater than that of second atom, whereas reverse order is true for their…
- Statement-1 : Sulphate is estimated as BaSO 4 and not as MgSO 4 . Statement-2 : Ionic radius of Mg 2+ is smaller that…
- From the ground state electronic configuration of the elements given below, pick up the one with highest value of…
- Which of the following is correct order of Ist, IInd and IIIrd ionization energy of nitrogen ?
- The lower electron affinity of fluorine than that of chlorine is due to
- In which of the following pairs, the ionization energy of the first species is less than that of the second
- Oxidation states of the metal in the minerals haematite and magnetite, respectively, are
- Which of the following statements(s) is (are) correct when a mixture of NaCl and K 2 Cr 2 O 7 is gently warmed with…
- Which of the above elements is likely to be a reactive non-metal ?
- Which one of the following elements shows both positive and negative oxidation states ?
- The elements in which electrons are progressively filled in 4 f -orbital are called
- The electronic configuration of gadolinium (Atomic number 64) is
- Which one of the following is true about metallic character when we move from left to right in a period and top to…
- Which of the following sets contain only isoelectronic ions?
- The electronegativity of the following elements increase in the order
- Atomic radii of fluorine and neon in Angstrom units are respectively given by
- The electronic configurations of the elements X, Y, Z and J are given below. Which element has the highest metallic…
- The statements that are true for the long form of the periodic table are
- Statement-1 : The first ionisation energy of Be is greater than that of B. Statement-2 : 2 p orbital is lower in energy…
- Electronegativity values for the elements help in predicting
- In which of the following sets of elements, they have nearly the same atomic size
- Which of the following effects the electronegativity of an atom ?
- Which of the above elements is likely to be a reactive metal ?
- Assertion : The 4f-and 5f-inner transition series of elements are placed separately at the bottom of the periodic…
- Assertion : F atom has a less negative electron affinity than Cl atom. Reason : Additional electrons are repelled more…
- The first ionisation potential in electron volts of nitrogen and oxygen atoms are respectively given by
- The increasing order of atomic radii of the following group 13 elements is
- The statement that is not correct for the periodic classification of elements is
- The graph of ionization energy and atomic number does not increase smoothly because
- The first ionisation enthalpies of Na, Mg, A l and Si are in the order:
- Nuclear charge actually experienced by an electron is termed as effective nuclear charge. The effective nuclear charge…
- The order of screening effect of electrons of s, p, d and f orbitals of a given shell of an atom on its outer shell…
- The pair of the compounds in which both the metals are in the highest possible oxidation state is