Inter molecular forces in solid hydrogen are (A) Van der Waal forces or London dispersion forces (B) Hydrogen bonds (C) Covalent forces (D) All of these. 0 Chemistry MCQs Author: sinxoo Report : If answer is wrong. August 4, 2021
Fluorine does not show positive oxidation states due to the absence of (A) None (B) s-orbitals (C) d-orbitals (D) p-orbitals 0 Chemistry MCQs Author: sinxoo Report : If answer is wrong. August 4, 2021
Which of the following is different from the other three oxides? (A) ZnO (B) Cr2O3 (C) SnO (D) MgO 0 Chemistry MCQs Author: sinxoo Report : If answer is wrong. August 4, 2021
If NAis Avogadro’s number, then number of valence electrons in 4.2 g of nitride ions N3-isIf NAis Avogadro’s number, then number of valence electrons in 4.2 g of nitride ions N3-is (A) 3.2 NA (B) 4.2 NA (C) 2.4 NA (D) 1.6 NA 0 Chemistry MCQs Author: sinxoo Report : If answer is wrong. August 4, 2021
Which of the following elements is most electronegative? (A) Chlorine (B) Fuorine (C) Nitrogen (D) Oxygen 0 Chemistry MCQs Author: sinxoo Report : If answer is wrong. August 4, 2021
Which of the following fluorides of xenon is impossible? (A) XeF6 (B) XeF2 (C) XeF4 (D)XeF3 0 Chemistry MCQs Author: sinxoo Report : If answer is wrong. August 4, 2021
Bond angle is minimum for (A) H2Te (B) H2O (C) H2S (D) H2Se 0 Chemistry MCQs Author: sinxoo Report : If answer is wrong. August 4, 2021
Octane number can be changed by (A) alkylation (B) All of these (C) Isomerization (D) Cyclization 0 Chemistry MCQs Author: sinxoo Report : If answer is wrong. August 4, 2021
With increasing principle quantum number, the energy difference between adjacent energy levels in H atom (A) Increases (B) Decrease for the low value of Z and increases for a higher value of Z. (C) Decreases (D) Remain constant 0 Chemistry MCQs Author: sinxoo Report : If answer is wrong. August 4, 2021
A solution of sodium sulphate was electrolysed using some inert electrodes. The products at the electrodes are (A) O2, SO2 (B) O2, Na (C) O2, H2 (D) O2, S2O2-8 0 Chemistry MCQs Author: sinxoo Report : If answer is wrong. August 4, 2021