Chemistry

The correct order of ionisation energy for comparing carbon, nitrogen and oxygen

The correct order of ionisation energy for comparing carbon, nitrogen and oxygen is Options (a) CO (b) C>NN>O (d) C>N

The correct order of increasing bond length of C–H, C–O, C–C and C=C is

The correct order of increasing bond length of C–H, C–O, C–C and C=C is Options (a) C–C < C=C <…

In which of the following pairs, the two species are iso-structure?

In which of the following pairs, the two species are iso-structure? Options (a) SO₃²⁻ and NO₃⁻ (b) BF₃ and NF₃…

Chemical properties of lithium and magnesium are similar because

Chemical properties of lithium and magnesium are similar because Options (a) these belongs to same group (b) shows disgonal relationship…

In which of the following pairs of molecules/ions, the central atoms have

In which of the following pairs of molecules/ions, the central atoms have sp²-hybridisation? Options (a) NO₂⁻ and NH₃ (b) BF₃…

which of the following molecules has trigonal planar geometry?

Which of the following molecules has trigonal planar geometry? Options (a) BF₃ (b) NH₃ (c) PH₃ (d) IF₃ Correct Answer:…

Which one of the following species does not exist under normal conditions?

Which one of the following species does not exist under normal conditions? Options (a) Be₂⁺ (b) Be₂ (c) B₂ (d)…

The set representing the correct order for the first ionisation potential is

The set representing the correct order for the first ionisation potential is Options (a) K > Na > Li (b)…

Which one is electron deficient compound?

Which one is electron deficient compound? Options (a) NH₃ (b) ICl (c) BCl₃ (d) PCl₃ Correct Answer: BCl₃Explanation:BCl₃ has six…

Correct order of first IP among following elements Be, B, C, N, O is

Correct order of first IP among following elements Be, B, C, N, O is Options (a) B< Be < C