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Chemical Bonding And Molecular Structure

Question
CBSEENCH11008297
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Which of the two ions from the list given below have the geometry that is explained by the same hybridization of orbitals,
NO subscript 2 superscript minus comma space NO subscript 3 superscript minus comma space NH subscript 2 superscript minus comma space NH subscript 4 superscript plus comma space SCN to the power of minus ?

  • NH subscript 4 superscript plus space and space NO subscript 3 superscript minus
  • SCN to the power of minus space and space NH subscript 2 superscript minus
  • NO subscript 2 superscript minus space and space NH subscript 2 superscript minus
  • NO subscript 2 superscript minus space and space NO subscript 3 superscript minus

Solution

D.

NO subscript 2 superscript minus space and space NO subscript 3 superscript minus

Hybridization of the given molecule is 
NO subscript 2 superscript minus space rightwards arrow space sp squared NO subscript 3 superscript minus space rightwards arrow space sp squared NH subscript 2 superscript plus space rightwards arrow space sp cubed NH subscript 4 superscript minus space rightwards arrow space sp cubed SCN to the power of plus space rightwards arrow sp
therefore, NO subscript 2 superscript minus space and space NO subscript 3 superscript minus both have the same hybridization.

Some More Questions From Chemical Bonding and Molecular Structure Chapter

What is electrovalency?

What bond is present in MgCl2 molecules?

Write Lewis dot symbols for atoms of the elements Mg, Na, B, O, N, Br.

Draw the Lewis structure for the ionic compound by aluminium and fluorine.

Two elements A and B have the electronic configuration as:
A = 1s22s22p63s2 and B = 1s22s22p5
Write the empirical formula of the substance containing A and B.

What type of bonding would you expect between:
(i) a metal and a non-metal
(ii) a non-metal and another non-metal?

Give reasons in one or two sentences for the observation that in their compounds non-metals form anions and not cations.

Out of Na and K, which will form a more stable ionic bond?

Which will have a greater lattice enthalpy: NaCl or MgO?

Is  a covalent molecule always formed between two similar atoms?

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