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Chemical Bonding And Molecular Structure

Question
CBSEENCH11008413
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Four diatomic solutions of the following were prepared in water separately. Which one of the solutions will record the highest pH?

  • straight O subscript 2 superscript minus space less than thin space NO space less than thin space straight C subscript 2 superscript 2 minus end superscript space less than thin space He subscript 2 superscript plus
  • NO less than thin space straight C subscript 2 superscript 2 minus end superscript space less than thin space straight O subscript 2 superscript minus space less than thin space He subscript 2 superscript plus
  • straight C subscript 2 superscript 2 minus end superscript space less than space He subscript 2 superscript plus less than thin space NO thin space less than thin space straight O subscript 2 superscript minus
  • He subscript 2 superscript plus space less than thin space straight O subscript 2 superscript minus space less than thin space NO space less than thin space straight C subscript 2 superscript 2 minus end superscript

Solution

D.

He subscript 2 superscript plus space less than thin space straight O subscript 2 superscript minus space less than thin space NO space less than thin space straight C subscript 2 superscript 2 minus end superscript Bond space order space equals space fraction numerator straight N subscript straight b minus straight N subscript straight a over denominator 2 end fraction He subscript 2 superscript plus colon space left parenthesis straight sigma space 1 right parenthesis squared space left parenthesis straight sigma asterisk times 1 straight s right parenthesis to the power of 1 Bond space order space equals space fraction numerator 2 minus 1 over denominator 2 end fraction space equals space 1 half straight C subscript 2 superscript 2 minus end superscript colon KK space left parenthesis straight sigma 2 straight s right parenthesis squared thin space left parenthesis straight sigma asterisk times 2 straight s right parenthesis squared left parenthesis straight pi 2 straight p subscript straight x right parenthesis squared left parenthesis straight pi 2 straight p subscript straight y right parenthesis squared left parenthesis straight sigma 2 straight p subscript straight z right parenthesis squared Bond space order space space equals fraction numerator 8 minus 5 over denominator 2 end fraction space equals space 1 1 half NO colon space KK space left parenthesis straight sigma 2 straight s squared right parenthesis left parenthesis straight sigma asterisk times 2 straight s right parenthesis squared left parenthesis straight sigma 2 straight p subscript straight z right parenthesis squared left parenthesis straight pi 2 straight p subscript straight x right parenthesis squared space left parenthesis straight pi 2 straight p subscript straight y right parenthesis squared left parenthesis straight pi asterisk times 2 straight p subscript straight x right parenthesis to the power of 1 Bond space order space equals space fraction numerator 8 minus 3 over denominator 2 end fraction space equals space 2 1 half Hence comma space the space order space of space increasing space bond space order space is space as space colon He subscript 2 superscript plus space less than space straight O subscript 2 superscript minus space less than space NO space less than thin space straight C subscript 2 superscript 2 minus end superscript

Some More Questions From Chemical Bonding and Molecular Structure Chapter

Why two helium atoms do not combine to form He2?

What are 'Lewis structures'?

Name the conditions for the formation of an ionic bond between two atoms.

What is crystal lattice?

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?

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