List of top Chemistry Questions asked in GUJCET

For the complex \( [Co(NH_3)_6]^{3+} \), what is the oxidation state of Co and the number of unpaired electrons?

What is the electronic configuration for \( [Ni(CN)_4]^{2-} \)?

In the reaction, what is the oxidation state of Mn in the compound MnO\(_2\)?

The half-life of a radioactive substance is 5730 years. If carbon-14 decays and only 80% of it remains after a certain period, what is the time elapsed (in years)?

What is the oxidation state of Mn in the given reaction involving MnF\(_3\) and Mn\(_2\)O\(_3\)?

For the given reaction, what is the correct rate law?
\[ \frac{d[A]}{dt} = -6 \frac{d[B]}{dt} = -4 \frac{d[C]}{dt} = 3 \frac{d[D]}{dt} = 4 \frac{d}{dt} \]

What is the oxidation state of Mn in the compound MnO\(_4^{2-}\)?

For the complex ion \(\text{Mn}^{5+}\), what is the electronic configuration?

Which of the following is the correct relationship in terms of the physical properties of a substance?

What is the total charge required for the reduction of 2/3 moles of Al\(_2\)O\(_3\) to form Al?

Which of the following is the correct relation for \( A_m \)?

For the given cell reaction \( E_{\text{cell}} = 1.1 \, \text{V} \), what is the equilibrium constant \( K_c \) for the reaction?

What is the relation between \( \Delta G \) and \( E_{\text{cell}} \)?

For a reaction with a rate constant \( k = 10^{-3} \), how long will it take for the reaction to reach 100% completion?

The solution of NaCl is prepared with the following concentrations. What is the volume percentage (V/V) of NaCl?

NaOH na solushanshma 0.2 mol NaOH ne 22 grams pani ma dissolve kari ne solution banavyu che. Kemli solution ma NaOH no %W/W kayi hase?

Kemi samagri ni enthalpy ma kyare badi badlavi aave che?

Proteins undergo polymerization to form long chains and are organized in the structure of a complex molecule. What kind of bonding is involved in their structure?

Which form of RNA plays a key role in protein synthesis?

Which of the following compounds can act as a base?

Which of the following represents the correct order of reactivity in the given nucleophilic substitution reactions? (Choose the correct option)
i) \( \text{Sodium acetate} \rightarrow \) Cyclohexane.
ii) \( \text{KCl} \rightarrow \) Cyclohexane.
iii) \( \text{CH}_3\text{OH} + \text{Cl} \rightarrow \) New compound.
iv) \( \text{CH}_3\text{CN} \rightarrow \) Cyclohexane via substitution.

In RNA, which type of sugar is present?

In a reaction where iron (III) chloride reacts with hydrochloric acid, what is the expected outcome?

Which of the following is the best solvent for carrying out a nucleophilic substitution reaction with a halide?

What is the base used for the given reaction to produce the desired product?