dsp2 hybridisation is found in from Chemistry NEET Year 2001 Fre

Subject

Chemistry

Class

NEET Class 12

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

1.

Hybridisation in CH3, C+H3  and C-H3 are respectively

  • sp2, sp2, sp3

  • sp2, sp3, sp3

  • sp3, sp3, sp2

  • sp3, sp2, sp3


2.

Which of the following arrangements is possible?

  • n l m s
    5 2 2 +12
  • n l m s
    2 2 0 -12
  • n l m s
    3 -2 1 +12
  • n l m s
    0 0 1 +12

3.

Which of the following is strongest Bronsted base?

  • ClO-

  • ClO2-

  • ClO3-

  • ClO4-


4.

In which of the following - bonding is possible?

  • CO32-

  • PO43-

  • NO3-

  • NO2-


Advertisement
5.

Which of the following is always feasible?

  • H=TS

  • H(+ve), TS (-ve) and H >TS

  • H(-ve), TS (+ve) and H < TS

  • H(-ve), TS (-ve) and H >TS.


6.

Given that 

C + O2  CO2 ; H° =-a kJ.2CO + O2  2CO2 ; H° = -b kJ. 

The heat of formation of CO is 

 

  • b-2a

  • 2a-b2

  • b-2a2

  • 2a-b


7.

When the temperature of reactions will increase then the effect on pH value will

  • increase

  • decrease

  • first increases then decreases

  • remains same.


8.

Smallest intermolecular distance is found in

  • O2

  • O2+

  • O2-

  • O22-


Advertisement
9.

The pH of aqueous solution ofammonium formate is (pKa of HCOOH = 3.8 and pKb of NH3= 4.8)

  • 7

  • 6.0

  • 6.5

  • 8.9


Advertisement

10.

dsp2 hybridisation is found in

  • [Ni(CN)4]2-

  • [CoCl4]2-

  • [CuCl4]3-

  • [CuCl4]2-


A.

[Ni(CN)4]2-

Electronic configuration of Ni:

Ni(Z=27) : 4s2 3d7

Ni2+        : 3d7

Therefore, hybridisation is dsp2 and structure is square planar.


Advertisement
Advertisement