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Q. No.Which of the following is the correct statement?
1. Ga+ is more stable than ln+.
2. Al+ is more stable than ln+.
3. Ga+ is more stable than Al+.
4. Al+ is more stable than Ga+.
1. Ga+ is more stable than ln+.
2. Al+ is more stable than ln+.
3. Ga+ is more stable than Al+.
4. Al+ is more stable than Ga+.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe chain length of silicones can be controlled by adding
1. \(CH_3SiCl_3\)
2. \(SiCl_4\)
3. \((CH_3)_2SiCl_2\)
4. \((CH_3)_3SiCl\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| List-I (Compounds) |
List-II (Molecular formula) |
| (a) Borax | (i) NaBO2 |
| (b) Kernite | (ii) Na2B4O7.4H2O |
| (c) Orthoboric acid | (iii) H3BO3 |
| (d) Borax bead | (iv) Na2B4O7.10H2O |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (ii) | (iii) | (i) |
| 2. | (ii) | (iv) | (iii) | (i) |
| 3. | (iii) | (i) | (iv) | (ii) |
| 4. | (i) | (iii) | (iv) | (ii) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biologyin the above reaction the product "X" is :
1. H3BO3
2. B2O3
3. Na2B2O5
4. NaB3O5
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Both diamond and graphite are used as dry lubricants.
2. Diamond and graphite have a two-dimensional network.
3. Diamond is covalent and graphite is ionic.
4. Diamond is sp³ hybridised and graphite is sp² hybridized.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Both the Boron atoms are sp2 hybridised.
2. There are two 3-centre-2-electron bonds.
3. The four terminal B-H bonds are two centre two electron bonds.
4. The four terminal Hydrogen atoms and the two Boron atoms lie in one plane.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following oxide is amphoteric in nature?
1. SnO2
2. SiO2
3. GeO2
4. CO2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the correct statements from the following:
a. is used as a refrigerant ice-cream and frozen food.
b. The structure of customs12 six carbon rings and 25 five carbon rings
c. ZSM-5, a type of zeolite, is used to convent alcohol into gasoline.
d. CO is a colorless and odorless gas
1. (a) and (c) only
2. (b) and (c) only
3. (c) and (d) only
4. (a), (c) and (c) only
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following compounds is used in cosmetic surgery?
1. Silica
2. Silicates
3. Silicones
4. Zeolites
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAluminium chloride in acidified aqueous solution forms a complex 'A'. The formula of A and hybridisation state of Al in 'A' is respectively-
1. [Al(H2O)6]3+, sp3d2
2. [Al(H2O)4]3+, sp3
3. [Al(H2O)4]3+, dsp2
4. [Al(H2O)]3+, d2sp3
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