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HSC Science (Electronics) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions

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The elementary reaction \[\ce{O3_{(g)} + O_{(g)} -> 2O2_{(g)}}\] is ______.

[6] Chemical Kinetics
Chapter: [6] Chemical Kinetics
Concept: undefined >> undefined

Choose the most correct option.

Rate law for the reaction, \[\ce{2NO + Cl2 -> 2NOCl}\] is rate = k[NO2]2[Cl2]. Thus of k would increase with _____________.

[6] Chemical Kinetics
Chapter: [6] Chemical Kinetics
Concept: undefined >> undefined

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Choose the most correct option.

For an endothermic reaction, X ⇌ Y. If Ef is the activation energy of the forward reaction and Er that for the reverse reaction, which of the following is correct?

[6] Chemical Kinetics
Chapter: [6] Chemical Kinetics
Concept: undefined >> undefined

Answer the following in one or two sentences.

For the reaction, \[\ce{CH3Br_{(aq)} + OH^{-}_{(aq)} -> CH3OH^{\ominus}_{(aq)} + Br^{\ominus}_{(aq)}}\], rate law is rate = \[\ce{k[CH3Br][OH^\ominus]}\]

How does reaction rate changes if \[\ce{[OH^\ominus]}\] is decreased by a factor of 5?

[6] Chemical Kinetics
Chapter: [6] Chemical Kinetics
Concept: undefined >> undefined

Answer the following in brief.

For the reaction 2A + B → products, find the rate law from the following data.

[A]/M [B]/M rate/M s-1
0.3 0.05 0.15
0.6 0.05 0.30
0.6 0.2 1.20
[6] Chemical Kinetics
Chapter: [6] Chemical Kinetics
Concept: undefined >> undefined

Answer in brief.

What are bidentate ligands? Give one example.

[9] Coordination Compounds
Chapter: [9] Coordination Compounds
Concept: undefined >> undefined

Answer in brief.

What are the coordination number and oxidation state of the metal ion in the complex [Pt(NH3)Cl5]-?

[9] Coordination Compounds
Chapter: [9] Coordination Compounds
Concept: undefined >> undefined

Answer in brief.

What is the difference between a double salt and a complex? Give an example.

[9] Coordination Compounds
Chapter: [9] Coordination Compounds
Concept: undefined >> undefined

Write IUPAC name of the following compound.

\[\begin{array}{cc}
\ce{CH3 - CH = C - CH - Br}\\
\phantom{......}|\phantom{....}|\\
\ce{\phantom{......}H3C} \ce{\phantom{...}CH3}
\end{array}\]

[10] Halogen Derivatives
Chapter: [10] Halogen Derivatives
Concept: undefined >> undefined

Write IUPAC name of the following compound.

\[\begin{array}{cc}
\ce{CH3 - CH - CH - CH2 - CH3}\\
|\phantom{......}|\phantom{.........}\\
\ce{Cl} \ce{\phantom{....}CH3\phantom{.......}}
\end{array}\]

[10] Halogen Derivatives
Chapter: [10] Halogen Derivatives
Concept: undefined >> undefined

Write IUPAC name of the following compound.

[10] Halogen Derivatives
Chapter: [10] Halogen Derivatives
Concept: undefined >> undefined

Write the IUPAC name of the following compound.

[10] Halogen Derivatives
Chapter: [10] Halogen Derivatives
Concept: undefined >> undefined

Define ligand.

[9] Coordination Compounds
Chapter: [9] Coordination Compounds
Concept: undefined >> undefined

Which of the following represents the increasing order of boiling points of (1), (2), and (3)?

(1) CH3 - CH2 - CH2 - CH2 - OH

(2) (CH3)2CHOCH3

(3) (CH3)3COH

[11] Alcohols, Phenols and Ethers
Chapter: [11] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Which is the best reagent for carrying out the following conversion?

[11] Alcohols, Phenols and Ethers
Chapter: [11] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Choose the correct option.

Which of the following substrate will give ionic organic products on reaction?

[11] Alcohols, Phenols and Ethers
Chapter: [11] Alcohols, Phenols and Ethers
Concept: undefined >> undefined

Resorcinol on distillation with zinc dust gives _________.

[11.02] Phenols
Chapter: [11.02] Phenols
Concept: undefined >> undefined

Resorcinol on distillation with zinc dust gives _________.

[11.03] Ethers
Chapter: [11.03] Ethers
Concept: undefined >> undefined

Resorcinol on distillation with zinc dust gives _________.

[11.01] Alcohols
Chapter: [11.01] Alcohols
Concept: undefined >> undefined

Choose the correct option.

Which of the following is the least acidic compound?

[11] Alcohols, Phenols and Ethers
Chapter: [11] Alcohols, Phenols and Ethers
Concept: undefined >> undefined
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