Page Number- 6

(1) Intramolecular H-bonding is present in:?

  • A. Phenol
  • B. p-nitrophenol
  • C. O-nitrophenol
  • D. m-nitrophenol
0
(c) O-nitrophenol

(2) Bond order of C2 molecules is??

  • A. 0
  • B. 1
  • C. 2
  • D. 3
0
(c) 2

(3) Bond order of C2 molecules is??

  • A. 0
  • B. 1
  • C. 2
  • D. 3
0
(c) 2

(4) Bond order of C2 molecules is??

  • A. 0
  • B. 1
  • C. 2
  • D. 3
0
(c) 2

(5) The energy required to increase the surface area of the liquid by one unit is defined as:?

  • A. Potential energy
  • B. Threshold energy
  • C. Surface energy
  • D. Surface tension
0
(c) Surface energy

(6) The energy required to increase the surface area of the liquid by one unit is defined as:?

  • A. Potential energy
  • B. Threshold energy
  • C. Surface energy
  • D. Surface tension
0
(c) Surface energy

(7) Heat is observed by the system at constant pressure equal to??

  • A. ΔU
  • B. ΔH
  • C. W
  • D. 0
0
(b) ΔH

(8) Which of the following halogens cannot have a positive oxidation Number??

  • A. F
  • B. Cl
  • C. Br
  • D. I
0
(a) F

(9) Oxidation Number of oxygen state of the group 16 element is??

  • A. 0
  • B. -2
  • C. +2
  • D. +6
0
(d) +6

(10) Electron-precise hydrides are formed by??

  • A. Group-14
  • B. Group-15
  • C. Group-16
  • D. Group-17
0
(a) Group-14
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