Which of the following compound does not exist?
1. XeOF4
2. NeF2
3. XeF2
4. XeF6
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | Neon gas is filled in discharge tubes with characteristic colours. |
2. | Neon gas is used in beacon lights. |
3. | Argon along with nitrogen is used in gas-filled electric lamps. |
4. | All of the above. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRadon is used in the treatment of:
1. | Typhoid | 2. | Cancer |
3. | Cough and cold | 4. | Corona |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA xenon fluoride that does not exist is:
1. XeF4
2. XeF2
3. XeF3
4. XeF6
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the species given in Column I with the shape given in Column II and mark the correct option.
Column I | Column II | ||
A | Its partial hydrolysis does not change oxidation state of central atom. | 1 | He |
B | It is used in modern diving apparatus. | 2 | XeF6 |
C | It is used to provide inert atmosphere for filling electrical bulbs. | 3 | XeF4 |
D | It's central atom is in sp3d2 hybridisation. | 4 | Ar |
Codes
A | B | C | D | |
1. | 1 | 4 | 2 | 3 |
2. | 1 | 2 | 3 | 4 |
3. | 2 | 1 | 4 | 3 |
4. | 1 | 3 | 2 | 4 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology\(\mathrm{Xe}+\mathrm{PtF}_6 \rightarrow \text { ? }\)
The product of the above reaction is:
1. | \(\mathrm{O}_2{ }^{+}\left[\mathrm{PtF}_6\right]^{-}. \) | 2. | \(\mathrm{XeF}_4 \) |
3. | \(\mathrm{XeF}_6 \) | 4. | \(\mathrm{Xe}^{+}\left[\mathrm{PtF}_6\right]^{-}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe molecular shapes of SF4, CF4 and XeF4 are:
1. | The same with 2, 0 and 1 lone pairs of electrons on the central atoms, respectively |
2. | The same with 1, 1 and 1 lone pairs of electrons on the central atoms, respectively |
3. | Different with 0, 1 and 2 lone pairs of electrons on the central atoms, respectively |
4. | Different with 1, 0 and 2 lone pairs of electrons on the central atoms, respectively |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(a) XeF6 + 3H2O →
(b) XeF6 + H2O
The products formed in the above reactions, respectively, are:
1. XeO3 , XeOF4
2. XeO6 , XeOF4
3. XeO3, XeOF6
4. XeO6 , XeOF6
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statements is false?
1. | H3PO2, H3PO3 and H3PO4 all are tribasic and reducing in nature. |
2. | \(NO_{3}^{-}\), \(SO_{3}^{2-}\), \(CO_{3}^{2-}\), and \(BO_{3}^{3-}\), only \(SO_{3}^{2-}\) have pπ-dπ bonding . | Amongst anions
3. | \(SO_{3}^{2-}\), \(SO_{4}^{2-}\), \(S_{2}O_{4}^{2-}\) and \(HSO_{4}^{-}\), \(SO_{3}^{2-}\) is basic and reducing in nature. | Amongst anions
4. | Number of lone pair(s) of electrons on Xe atoms in XeF2, XeF4 and XeF6 are 3, 2 and 1 respectively._ |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAmong the following molecules,
(i)
(ii)
(iii)
Those having the same number of lone pairs on Xe are
1. (i) and (ii) only
2. (i) and (iii) only
3. (ii) and (iii) only
4. (i), (ii) and (iii) only
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology