Which of the following sets represents a complex and a double salt, respectively?

1. CuSO4.5H2O and CuCl2.4NH3
2. PtCl2.2NH3 and PtCl4.2HCl
3. K2PtCl2.2NH3 and KAl(SO4)2.12H2O
4. NiCl2.6H2O and NiCl2(H2O)4
Subtopic:  Introduction, Classification and Nomenclature |
 82%
Level 1: 80%+
NEET - 2023
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Given below are two statements:
Statement I: High density polythene is formed in the presence of catalyst triethylaluminium and titanium tetrachloride.
Statement II: High density polymers are chemically inert.  

In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is correct but Statement II is incorrect. 
2. Statement I is incorrect but Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 59%
Level 3: 35%-60%
NEET - 2023
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Which amongst the following compounds will show geometrical isomerism?
1. Pent-1-ene
2. 2,3-Dimethylbut-2-ene
3. 2-Methylprop-1-ene
4. 3,4-Dimethylhex-3-ene    
Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
 61%
Level 2: 60%+
NEET - 2023
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Given below are two statements:
Statement I: Hydrated chlorides and bromides of Ca, Sr and Ba on heating undergo hydrolysis.
Statement II: Hydrated chlorides and bromides of Be and Mg on heating dehydration.

In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is correct but Statement II is incorrect.
2. Statement I is incorrect but Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
Subtopic:  Preparations, Properties & Uses of S Block Elements |
Level 4: Below 35%
NEET - 2023
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The correct order for the rate of \(\alpha\) , \(\beta\)-dehydrohalogenation for the following compounds is:
 
(i) 
(ii)
(iii)
 
1. (i) < (ii) < (iii) 2. (ii) < (i) < (iii)
3. (iii) < (ii) < (i) 4. (ii) < (iii) < (i)
Subtopic:  Chemical Properties |
 56%
Level 3: 35%-60%
NEET - 2023
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How many number of tetrahedral voids are formed in 5 mol of a compound having cubic close packed structure? (Choose the correct option)
1. \(1.550 \times10^{24}\) 2. \(3.011 \times10^{25}\)
3. \(3.011 \times10^{24}\) 4. \(6.022 \times10^{24}\)
Subtopic:  Voids, Radius Ratio & Coordination Number |
Level 3: 35%-60%
NEET - 2023
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What is the type of isomerism exhibited by the compounds [Cr(H2O)6]Cl3, [Cr(H2O)5Cl]Cl2.H2O and [Cr(H2O)4Cl2]Cl.2H2O and the value of coordination number (CN) of central metal ion in all these compounds?

1. Geometrical isomerism, CN = 2
2. Optical isomerism, CN = 4
3. Ionisation isomerism, CN = 4
4. Solvate isomerism, CN = 6
Subtopic:  Isomerism in Coordination Compounds |
 87%
Level 1: 80%+
NEET - 2023
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Which of the following options correctly represents the sequence of neutral, acidic, basic, and amphoteric oxides, respectively?
1. NO, ZnO, CO2, CaO  2. ZnO, NO, CaO, CO2 
3. NO, CO2, ZnO, CaO 4. NO, CO2, CaO, ZnO
Subtopic:  Nature of Compound |
 78%
Level 2: 60%+
NEET - 2023
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Read the following statement and choose the set of correct statements:
A. Chrome steel is used for cutting tools and crushing machines.
B. The fine dust of aluminium is used in paints and lacquers.
C. Copper is used for the reduction of alcohol.
D. Zinc dust is used as a reducing agent in the manufacturing of paints.
E. Iron is used for galvanising zinc. 
choose the most appropriate answer from the options given below:
1. (D) and (E) only
2. (A) and (D) only
3. (A), (B) and (D) only
4. (B), (C) and (D) only
Subtopic:  Metallurgy of individual elements |
Level 3: 35%-60%
NEET - 2023
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Which of the following is the correct sequence of reagents for converting 4-nitrotoluene to 2-bromotoluene?
1. NaNO2/HCl; Sn/HCl; Br2; H2O/H3PO2
2. Sn/HCl; NaNO2/HCl; Br2; H2O/H3PO2
3. Br2; Sn/HCl; NaNO2/HCl; H2O/H3PO2
4. Sn/HCl; Br2; NaNO2/HCl; H2O/H3PO2
Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
Level 3: 35%-60%
NEET - 2023
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