NAT I Engineering Chemistry With Answers

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NAT I Engineering Chemistry

Sr. # Questions Answers Choice
1 The spectrum of helium is expected to be similar to that of H Li<sup>+</sup> Na He<sup>+</sup>
2 The last orbit of argon would have electrons 8 18 2 6
3 Which of the following has greatest reducing power? HI Hbr HCI HI
4 Which of the following belongs to the halogen family? Francium Polonium Radium Astatine
5 Fluorine does not show positive oxidation states due to the absence of d-orbitals s-orbitals p-orbitals None
6 Which one of the halogen acid is a liquid? HF HCI HBr HI
7 Bromine is obtained on a commercial scale from Caliche Carnallite Common satl Cryolite
8 Dilute hydrochloric acid solution cannot be concentrated by boiling beyond 11% 33% 44% 22%
9 Mark the smallest atom F CI Br I
10 Which of the following halogens does not forms its oxyacids? Fluorine Chlorine Bromine Iodine
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