Chemistry by saloni singh

Saloni singh
(M.Sc (organic chemistry ) B.Ed )
Chemistry is among one of the pillars for growth of our country and being a chemistry lecture i feel it as a responsibility to build the foundation strong for upcoming generation and for that i cant find a better platform then youtube.
You will be getting free video lectures of 11th and 12th science stream chemistry for boards/ NEET /iit jee

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Chemistry by saloni singh

The correct order of bond length is:
(a) N≡N < N=N < N–N
(b) N–N < N=N < N≡N
(c) N≡N < N–N < N=N
(d) N=N < N≡N < N–N

4 months ago | [YT] | 4

Chemistry by saloni singh

Which of the following has the smallest bond angle?
(a) H₂O
(b) NH₃
(c) CH₄
(d) BF₃

4 months ago | [YT] | 5

Chemistry by saloni singh

Dipole moment of CO₂ is:
(a) Zero
(b) 1.5 D
(c) 2.0 D
(d) 3.0 D

4 months ago | [YT] | 5

Chemistry by saloni singh

Which has highest bond enthalpy?
(a) O₂
(b) F₂
(c) N₂
(d) Cl₂

4 months ago | [YT] | 5

Chemistry by saloni singh

The bond order of N₂ is:
(a) 2
(b) 2.5
(c) 3
(d) 3.5

4 months ago | [YT] | 3

Chemistry by saloni singh

Which of the following is paramagnetic?
(a) O₂
(b) N₂
(c) F₂
(d) CO

4 months ago | [YT] | 1

Chemistry by saloni singh

2. Which of the following has sp³ hybridisation?
(a) BF₃
(b) CH₄
(c) BeCl₂
(d) CO₂

4 months ago | [YT] | 3

Chemistry by saloni singh

1. The shape of BeCl₂ molecule is:
(a) Linear
(b) Bent
(c) Trigonal planar
(d) Tetrahedral

4 months ago | [YT] | 3

Chemistry by saloni singh

Bond angle in NH₃ is:
(a) 180°
(b) 120°
(c) 109.5°
(d) 107°

4 months ago | [YT] | 4