IIT-JEE
Exam
Which of the following is the wrong statement ?
(1) Ozone is violet-black in solid state
(2) Ozone is diamagnetic gas
(3) ONCl and ONO– are not isoelectronic
(4) O3 molecule is bent
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IIT-JEE Other Question
Synthesis of each molecule of glucose in
photosynthesis involves -
(1) 8 molecules of ATP
(2) 6 molecules of ATP
(3) 18 molecules of ATP
(4) 10 molecules of ATP
The species which by definition has ZERO standard molar enthalpy of formation at 298 K is
(A) Br2 (g) (B) Cl2 (g)
(C) H2O (g) (D) CH4(g)