Which of the following is least hydrolysed? from Chemistry Chemi

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

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

81.

Geometry of SiO44- anion is

  • tetrahedral

  • trigonal

  • trihedral

  • pentagonal


82.

Chlorine (Cl17) free radical contains how many electrons around the nucleus?

  • 16

  • 17

  • 18

  • 19


83.

The atomic number of Sn is 50. The shape of gaseous SnCl2 molecule is

  • Cl-Sn-Cl


84.

The central carbon atom of a free radical contains

  • 6 electrons

  • 7 electrons

  • 8 electrons

  • 10 electrons


Advertisement
85.

Reaction for the formation of NaCl is

  • Na(g) + Cl2(g) → NaCl(s)

  • Na(s) + 12Cl2(g) → NaCl(s)

  • Na(g) + 12Cl2(g) → NaCl(s)

  • Na(g) + Cl2(g) → NaCl(g)


86.

The hybridization state of C atom in butendioic acid is

  • sp2

  • sp3

  • Both (a) and (b)

  • sp


87.

Which of the following has least bond energy?

  • N22-

  • N2-

  • N2+

  • N2


88.

Which of the following species has highest bond energy?

  • O22-

  • O2+

  • O2-

  • O2


Advertisement
Advertisement

89.

Which of the following is least hydrolysed?

  • BeCl2

  • MgCl2

  • CaCl2

  • BaCl2


A.

BeCl2

BeCl2 is covalent whereas all other group-II metal halides are electrovalent. Therefore, BeCl2 is least hydrolysed.


Advertisement
90.

The geometry of I3- is

  • triangular

  • linear

  • tetrahedral

  • T-shape


Advertisement