CBSE-Board Success Files Class 12 Chemistry with 8 Sample Papers 3rd Edition

CBSE-Board Success Files Class 12 Chemistry with 8 Sample Papers 3rd Edition
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CBSE-Board Success Files Class 12 Chemistry with 8 Sample Papers 3rd Edition

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Publisher: Disha Publication
ISBN: 9789384905958
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Availability: In Stock
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content about 3 and is extremely hard and brittle. i Due to presence of triple bond between two N-atoms N N , the bond dissociation energy of N2 is very high. As a result, N2 becomes less reactive at room temperature. ii The reducing character increases from H2S to H2Te. This is because as the size of the atom E in H2E increases, the bond H E becomes weaker and thus breaks more easily on heating. iii Because of low solubility of the as compared to N2 in blood, a mixture of oxygen and helium is used in diving apparatus used by deep sea divers.
AI-4
13.
CHEMISTRY a i
CoF6
3 is sp3d2 hybridised, octahedral in
shape and paramagnetic in nature.
Co Z 27 ground state 3d
4s
4p
4s
4p
3
Co
3d 3
CoF6
4d