Recent questions in 11th

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Explain the trend in oxidation state of elements from nitrogen to bismuth.

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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What are silicones? Where are they used?

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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Find out the difference between White phosphorus and Red phosphorus

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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Find out the difference between Diamond and Graphite

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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Name a molecule having banana bond.

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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What is hybridization of Al in AlCl3?

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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1 answer 407 views

Explain the trend of the following in group 13 elements : A. atomic radii B. ionization enthalpy C. electron affinity

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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Give the formula of a compound in which carbon exhibit an oxidation state of A. +4 B. +2 C. -4

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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1 answer 321 views

PbCl4 is less stable than PbCl2

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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1 answer 373 views

Ga3+ salts are better reducing agent while Tl3+ salts are better oxidising agent.

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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Identify the group 14 element that best fits each of the following description.

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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Which of the following shows most prominent inert pair effect ? a. C b. Si c. Ge d. Pb

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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1 answer 363 views

Thallium shows different oxidation state because …………… a. of inert pair effect b. it is inner transition element

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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1 answer 404 views

Haber’s process is used for preparation of …………. a. HNO3 b. NH3 c. NH2CONH2 d. NH4OH

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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………… is inorganic graphite. a. borax b. diborane c. boron nitride d. colemanite

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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2 answers 509 views

Which of the following is not an allotrope of carbon ? a. buckyball b. diamond c. graphite d. emerald

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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0 answers 289 views

Which of the following analytical techniques cannot be used for colourless compounds?

asked Feb 10, 2022 in Chapter 3: Basic Analytical Techniques by Doubtly (98.9k points)

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1 answer 415 views

give one example of each elements

asked Dec 8, 2021 in Chapter 1: Some Basic Concepts of Chemistry by anonymous

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Find out the s block elements compounds importance/uses.

asked Nov 22, 2021 in Chapter 8: Elements of Group 1 and 2 by Doubtly (98.9k points)

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5. Choose the correct option. A. The unstable isotope of hydrogen is ..... a. H-1 b. H-2 c. H-3 d. H-4

asked Nov 22, 2021 in Chapter 8: Elements of Group 1 and 2 by Doubtly (98.9k points)

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