
Last seen: Oct 19, 2020
(b) 42.2% Explanation: According to law of electrolysis, Mass deposited (m) = Z i t or i = m x 96500/t x Z Here, m = 3g, t = 2 × 60 × 60 = 7...
(a) Increases Explanation: The conductivity of a weak electrolyte increases with increase in dilution due to increase in ionisation. Remember that...
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion. Explanation: While the lone pairs are locali...
(d) If both the Assertion and Reason are incorrect.
(c) If Assertion is correct but Reason is incorrect. Explanation: LiCl is a covalent compound. Due to the large size of the anion (Cl-) its effect...
(c) If Assertion is correct but Reason is incorrect. Explanation: Bond angle of H2S (92°) < H2O (104°31). As the electronegativity of the centr...
(c) If Assertion is correct but Reason is incorrect. Explanation: Assertion is true but Reason is false. As the size of the atom increases the inf...
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion. Explanation: MO electronic configuration of...
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion. Explanation: Nitrogen molecule has triple b...
(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion. Explanation: Ozone is a powerful oxidising ...
(d) If both the Assertion and Reason are incorrect. Explanation: B2 molecule has no of electrons = 10 Molecular orbital configuration σ(1s)2,σ...
(c) If the Assertion is correct but Reason is incorrect. Explanation: SeCl4 has distorted trigonal pyramidal geometry; here Se has only one lone p...
(d) If both the Assertion and Reason are incorrect. Explanation: SF4 has see-saw type structure in which bond angles are different between differe...
(d) If both the Assertion and Reason are incorrect. Explanation: H2O2 is a covalent compound. In O2F2, O – O bond is shorter than in H2O2 due to h...
(c) If the Assertion is correct but Reason is incorrect. Explanation: Sigma (σ) bond is formed by axial overlap of atomic orbitals while pi (π) bo...
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion. Explanation: Water is liquid but H2S is gas...
(d) BaCl2 Explanation: According to Fajan's rule : Covalent character ∝ 1/size of cation ∝ size of cation Among the given species order of s...
(c) Four pπ – dπ bonds Explanation: Xenon undergo sp3 hybridization. 2s.png In the fourth excited state xenon atom, has 8 unpaired electrons ...
(b) A-5, B-3, C-4, D-2, E-1 Explanation: List I List II Compound Structure A. ClF3 - 5. T-shaped B. PCl5 ...