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Recent questions tagged class-12
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Q: The number of sigma `(sigma)` and pi`(pi)` bonds in pent-2-en-4-yne is:
The number of sigma ( σ ) ( and pi ( π ) ( bonds in pent-2-en-4-yne is: A. 13 σ 13 bonds and no π π ... 11 σ 11 bonds and 2 π 2 bond Select the correct answer from above options...
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Jan 2, 2022
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Education
by
JackTerrance
class-12
neet
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Q: Match the Xenon compounds Column-I with its structure in Column-II and assign the correct code : `{:("Column-I","Column-II"),((a)XeF_(4),(i)"pyramidal
Match the Xenon compounds Column-I with its structure in Column-II and assign the correct code : Column-I Column-II ( a ... i ) (iv) ( Select the correct answer from above options...
asked
Jan 2, 2022
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Education
by
JackTerrance
class-12
neet
0
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Q: In which can change in entropy is negative
In which can change in entropy is negative A. 2H(g)→H2(g) B. Evaporation of water C. Expansion of a gas ... of solid to gas. Select the correct answer from above options...
asked
Jan 2, 2022
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Education
by
JackTerrance
class-12
neet
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Q: The most suitable reagent for the following conversion is `H_(3)C-C-=C-CH_(3)to`
The most suitable reagent for the following conversion is H3C-C≡C-CH3→ A. Hg2+/H+,H2O B. Na/liquid NH3 C. H2,Pd/C quinoline D. Zn/HCl Select the correct answer from above options...
asked
Jan 2, 2022
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Education
by
JackTerrance
class-12
neet
0
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Q: The major product of the following reaction is `+NH_(3)overset("Strong heating")to`
The major product of the following reaction is +NH3 Strong heating → A. B. C. D. Select the correct answer from above options...
asked
Jan 2, 2022
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Education
by
JackTerrance
class-12
neet
0
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Q: Which of the following series of transitions in the spectrum of hydrogen atom falls in visible region?
Which of the following series of transitions in the spectrum of hydrogen atom falls in visible region? A. Brackett ... . Paschen series Select the correct answer from above options...
asked
Jan 2, 2022
in
Education
by
JackTerrance
class-12
neet
0
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Q: Among the following, the narrow spectrum antibiotic is
Among the following, the narrow spectrum antibiotic is A. Chloramphenicol B. Penicillin G C. Ampicillin D. Amoxycillin Select the correct answer from above options...
asked
Jan 2, 2022
in
Education
by
JackTerrance
class-12
neet
0
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Q: Which mixture of the solutions will lead to the formation of negatively charged colloidal `[Agl]^(-)` sol. ?
Which mixture of the solutions will lead to the formation of negatively charged colloidal [ A g l ] − [ sol. ? A. ... 50mL of 1.5 M Kl Select the correct answer from above options...
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Jan 2, 2022
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Education
by
JackTerrance
class-12
neet
0
votes
Q: Among the following the reaction that produce through an electrophilic substitution is :
Among the following the reaction that produce through an electrophilic substitution is : A. B. C. D. Select the correct answer from above options...
asked
Jan 2, 2022
in
Education
by
JackTerrance
class-12
neet
0
votes
Q: The structure of intemediate A in the following reaction is:
The structure of intemediate A in the following reaction is: A. B. C. D. Select the correct answer from above options...
asked
Jan 2, 2022
in
Education
by
JackTerrance
class-12
neet
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