enEnglishguગુજરાતી
GUJCET · Chemistry · Coordination Compounds
Which of the following complex is paramagnetic ?
- A \(\left[ Co \left( NH _3\right)_6\right]^{3+}\)
- B \(\left[ Ni ( CO )_4\right]\)
- C \(\left[ Ni ( CN )_4\right]^{2-}\)
- D \(\left[ NiCl _4\right]^{2-}\)
Answer & Solution
Correct Answer
(D) \(\left[ NiCl _4\right]^{2-}\)
Step-by-step Solution
Detailed explanation
D
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- Predict the order of reactivity of the following compounds in \(S _{ N } 1\) reaction.
(i) \(C _6 H _5 \cdot CH _2 Br\)
(ii) \(C _6 H _5 \cdot CH \cdot\left( C _6 H _5\right) Br\)
(iii) \(C _6 H _5 \cdot CH \cdot\left( CH _3\right) Br\)
(iv) \(C _6 H _5 \cdot C \cdot\left( CH _3\right)\left( C _6 H _5\right) Br\)GUJCET 2024 Hard - Which of the following compound is least reactive?GUJCET 2018 Easy
- Select proper statement from following true (T) and False (F) Statements.
(i) Pentose sugar + base → Nucleotide
(ii) Nucleotide + phosphate → Nucleoside
(iii) DNA contains four bases A, G, C and T
(iv) RNA contains four bases A, G, C and U.GUJCET 2022 Easy - Which substance is reduced in dry cell ?GUJCET 2010 Easy
- A reaction is first order with respect to a reactant A and second order with respect to reactant B. What is the effect of rate when concentration of both A and B increased by doubled ?GUJCET 2022 Medium
- Giving "T" symbol for true statement and "F" symbol for false statement select the correct option.
(i) Most naturally occurring amino acids have L-configuration.
(ii) β-D ribose sugar is present in RNA.
(iii) Amylose is water insoluble component made up of \(\alpha - D ^{+}\) glucose units.
(iv) All monosaccharides are non-reducing sugars.GUJCET 2020 Medium
More PYQs from GUJCET
- The phenotype of one parent for skin colour is AABBCC and other parent is aabbcc.
What will be the skin colour and genotype for their progeny?GUJCET 2021 Medium - Two very long straight wires are set parallel to each other. Each carries a current \(I\) in the same direction and the separation between them is \(2 r\). The intensity of magnetic field at point \(P\) as shown in is _________.
GUJCET 2017 Easy - Reaction \(3 ClO ^{-} \rightarrow ClO _3^{-}+2 Cl ^{-}\)occurs in following two steps :
(i) \(ClO ^{-}+ ClO ^{-} \xrightarrow{ K _1} ClO _2^{-}+ Cl ^{-}\)(Slow step)
(ii) \(ClO _2^{-}+ ClO ^{-} \xrightarrow{ K _2} ClO _3^{-}+ Cl ^{-}\)(Fast step)
then the rate of given reaction \(=\) _____ .GUJCET 2015 Hard - Let \(R\) be the relation in the set \(N\) given by \(R = \{(a, b) : a = b - 2, b < 6\}\) then ________.GUJCET 2026 Easy
- The area bounded by the curve \(y = x|x|\), X-axis and the ordinates \(x = -1\) and \(x = 1\) is ________.GUJCET 2026 Easy
- Which of the following compound is not allylic halide?GUJCET 2025 Hard